75-80 Days to maturity (from transplant). Solanum lycopersicum. Brad's Atomic Grape Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate grape tomato. Suitable for growing in garden plots, raised beds, greenhouses, and containers. This variety was developed by Brad Gates of Wild Boar Farms in California, a farm renowned for breeding unusual and visually striking tomato varieties. Brad’s Atomic Grape was bred to showcase vibrant colors and excellent flavor. The fruits are oblong in shape and come in a range of colors, from green, purple, and blue to streaks of red, orange, and yellow as they ripen. ~18,330 seeds/oz.